创建备份目录，查看剩余空间
[cistest@cistest ~]$ df -h
df: ‘/home/oratest/.gvfs’: Permission denied
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/centos-root 450G 27G 423G 6% /
devtmpfs 5.8G 0 5.8G 0% /dev
tmpfs 5.8G 2.9G 3.0G 50% /dev/shm
tmpfs 5.8G 34M 5.8G 1% /run
tmpfs 5.8G 0 5.8G 0% /sys/fs/cgroup
/dev/sda1 497M 128M 370M 26% /boot
创建目录，并且更改权限为数据库用户
sudo mkdir -p /rman_backup/bak_data /rman_backup/scripts
[sa@cis ~]$ sudo chgrp -R dba /rman_backup/
[sa@cis ~]$ sudo chown -R oracle /rman_backup/
rman参数配置
CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 7 DAYS ;
全备脚本 BackupFull.sh
# script .:BackupFull.sh
# creater:wangshengzhuang
# date:2016/01/05
# desc: backup full database datafile in archive with rman
# connect database
export ORACLE_BASE=/home/oratest/app/oratest
export ORACLE_HOME=/home/oratest/app/oratest/product/12.1.0/dbhome_1
export ORACLE_SID=CISTEST
export PATH=$ORACLE_HOME/bin:$PATH
rman target/ << EOF
Run{
Allocate channel c1 type disk;
Backup incremental level 0 tag 'db0' format '/rman_backup/bak_data/db0_%d_%T_%s' database
include current controlfile
plus archivelog filesperset 20 format '/rman_backup/bak_data/arc0_%d_%T_%s' ;
Delete noprompt obsolete;
Release channel c1;
}
EOF
#
增量备份BackupIncr1.sh
# script .:BackupFull.sh
# creater:wangshengzhuang
# date:2016/01/05
# desc: backup incremental database datafile in archive with rman
# connect database
export ORACLE_BASE=/home/oratest/app/oratest
export ORACLE_HOME=/home/oratest/app/oratest/product/12.1.0/dbhome_1
export ORACLE_SID=CISTEST
export PATH=$ORACLE_HOME/bin:$PATH
rman target/ << EOF
Run{
Allocate channel c1 type disk;
Backup incremental level 1 tag 'db1' format '/rman_backup/bak_data/db1_%d_%T_%s' database
include current controlfile
plus archivelog filesperset 20 format '/rman_backup/bak_data/arc1_%d_%T_%s' ;
Delete noprompt obsolete;
Release channel c1;
}
EOF
#
配置定时调度
周日和周三凌晨1:00执行0级全库备份，周一、二、四、五六凌晨1:00执行1级增量备份
[oratest@cistest scripts]$ crontab -e
0 1 * * 0 /rman_backup/scripts/BackupFull.sh >>/rman_backup/BackupFull.log
0 1 * * 3 /rman_backup/scripts/BackupFull.sh >>/rman_backup/BackupFull.log
0 1 * * 1-2 /rman_backup/scripts/BackupIncr1.sh >>/rman_backup/BackupIncr.log
0 1 * * 4-6 /rman_backup/scripts/BackupIncr1.sh >>/rman_backup/BackupIncr.log
reload调度
[sa@cistest cistest]$ sudo /sbin/service crond reload
Redirecting to /bin/systemctl reload crond.service